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Arrangement of mixed-linkage glucan and glucuronoarabinoxylan in the cell walls of growing maize roots.

Authors
  • Kozlova, L V
  • Ageeva, M V
  • Ibragimova, N N
  • Gorshkova, T A
Type
Published Article
Journal
Annals of Botany
Publisher
Oxford University Press
Publication Date
Oct 01, 2014
Volume
114
Issue
6
Pages
1135–1145
Identifiers
DOI: 10.1093/aob/mcu125
PMID: 25086589
Source
Medline
Keywords
License
Unknown

Abstract

Three domains of glucuronoarabinoxylan were determined: one separating cellulose microfibrils, one interacting with them and a middle domain between the two, which links them. The middle domain is masked by the mixed-linkage glucan. A model is proposed in which the mixed-linkage glucan serves as a gel-like filler of the space between the separating domain of the glucuronoarabinoxylan and the cellulose microfibrils. Space for glucan is provided along the middle domain, the proportion of which increases during cell elongation.

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